.box{
				position: relative;
				width: 613px;
				height: 230px;
				margin: 50px auto;
				border: 1px solid red;
				/* overflow: hidden; */
			}
			.swiper{
				position: absolute;
				top: 0;
				left: 0;
				width: 400%;
				height: 100%;
			}
			.item{
				float: left;
				width: 25%;
				height: 100%;
			}
			img{
				width: 100%;
				height: 100%;
			}
			.arrow{
				position: absolute;
				top: 50%;
				right: 0;
				width: 50px;
				height: 80px;
				font-size: 60px;
				color:#fff;
				text-align: center;
				line-height: 80px;
				margin-top: -40px;
				background-color: rgba(0,0,0,.5);
			}
			.arrow.l{
				left: 0;
			}
			
			.pagination{
				position: absolute;
				bottom: 30px;
				right: 30px;
				list-style: none;
			}
			.pagination li{
				float: left;
				width: 10px;
				height: 10px;
				margin-left: 10px;
				background-color: red;
				border-radius: 50%;
			}
			.pagination li.act{
				background-color: blueviolet;
			}